Bergé / Fonkoua / Maginot VHDL’92

The New Features of the VHDL Hardware Description Language
Erscheinungsjahr 2012
ISBN: 978-1-4615-3246-0
Verlag: Springer US
Format: PDF
Kopierschutz: 1 - PDF Watermark

E-Book, Englisch, Band 229, 214 Seiten, eBook

Reihe: The Springer International Series in Engineering and Computer Science

An open process of restandardization, conducted by the IEEE, has led to the definitions of the new VHDL standard. The changes make VHDL safer, more portable, and more powerful. VHDL also becomes bigger and more complete. The canonical simulator of VHDL is enriched by new mechanisms, the predefined environment is more complete, and the syntax is more regular and flexible. Discrepancies and known bugs of VHDL'87 have been fixed. However, the new VHDL'92 is compatible with VHDL'87, with some minor exceptions. This book presents the new VHDL'92 for the VHDL designer. New features ar explained and classified. Examples are provided, each new feature is given a rationale and its impact on design methodology, and performance is analysed. Where appropriate, pitfalls and traps are explained. The VHDL designer will quickly be able to find the feature needed to evaluate the benefits it brings, to modify previous VHDL'87 code to make it more efficient, more portable, and more flexible. VHDL'92 is the essential update for all VHDL designers and managers involved in electronic design.

Zielgruppe

Research

Autoren/Hrsg.

Bergé, Jean-Michel

Fonkoua, Alain

Maginot, Serge

Rouillard, Jacques

Inhaltsverzeichnis

1. Designer’s Concerns.- 2. Spirit of VHDL’92.- New Simulation Mechanisms.- 3. Last-Delta Activation: Postponed Process.- 4. Shared (Global) Variables.- New Structuring Mechanisms.- 5. Direct Instantiation.- 6. Incremental Binding.- 7. Groups.- New Interfacing Mechanisms.- 8. Foreign Interfaces.- 9. Reading & Writing Files.- 10. Impure Functions.- New Predefined Operators, Functions & Attributes.- 11. Shift and Rotate Operators.- 12. XNOR Operator.- 13. Predefined Attribute Driving_Value (and ‘Driving).- 14. Predefined Attribute ‘Ascending.- 15. Predefined Attributes ‘Behavior & ’Structure.- 16. Predefined Attributes ‘Image & ’Value.- 17. Attributes ‘Path_Name ’Instance_Name ’Simple_Name.- Slight Enhancements.- 18. Inertial Signal Assignment Statement.- 19. Declarative Part in Generate Statements.- 20. Mapping Expressions to Input Ports.- 21. The New Character Set.- 22. Identifier Generalization.- 23. Alias Generalization.- 24. Access to Predefined Operators.- 25. Extension of Bit String Literals.- Language Simplifications.- 26. Concurrent Signal Assignment.- 27. Report Statement.- 28. Concatenation Operator.- 29. Bracketing: Syntax Consistency.- Clarifications.- 30. Static Expressions.- 31. Run-Time Checks.- 32. Interface List.- 33. Association List.- 34. Resolved Subelements in Composites.- 35. Labels & User-Defined Attributes.- 36. Miscellaneous.- Annex.- 37. List of Reserved Words.- 38. Informal Glossary.- 39. Index.